P

Inventor

CHOI HWANGSOO

US13 patents
⚠️ This page may combine multiple inventors who share the name “CHOI HWANGSOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MICROSEMI CORP

6 patents
US6870330B2Mar 22, 2005

Shorted lamp detection in backlight system

MICROSEMI CORP95 citations97
US6654268B2Nov 25, 2003

Method and apparatus for controlling minimum brightness of a fluorescent lamp

MICROSEMI CORP54 citations95
US7414371B1Aug 19, 2008

Voltage regulation loop with variable gain control for inverter circuit

MICROSEMI CORP47 citations92
US6946806B1Sep 20, 2005

Method and apparatus for controlling minimum brightness of a fluorescent lamp

MICROSEMI CORP50 citations92
US7313006B2Dec 25, 2007

Shoot-through prevention circuit for passive level-shifter

MICROSEMI CORP11 citations83
US8363436B2Jan 29, 2013

Non-dissipative start up circuit

MICROSEMI CORP1 citations50

LINFINITY MICROELECTRONICS

2 patents
US6469922B2Oct 22, 2002

Method and apparatus for controlling minimum brightness of a flourescent lamp

LINFINITY MICROELECTRONICS84 citations97
US6307765B1Oct 23, 2001

Method and apparatus for controlling minimum brightness of a fluorescent lamp

LINFINITY MICROELECTRONICS101 citations97

WANG SHIJU

2 patents
US8482218B2Jul 9, 2013

Dimming input suitable for multiple dimming signal types

WANG SHIJU3 citations59
US8598808B2Dec 3, 2013

Flyback with switching frequency responsive to load and input voltage

WANG SHIJU3 citations57

TEXAS INSTRUMENTS INC

1 patent
US5796965AAug 18, 1998

Intelligent power circuit for external data drive

TEXAS INSTRUMENTS INC58 citations93

MICROCHIP TECH INC

1 patent
US11221236B1Jan 11, 2022

Angular position sensor and associated method of use

MICROCHIP TECH INC0 citations58

CHOI HWANGSOO

1 patent
US8941456B2Jan 27, 2015

EMI suppression with shielded common mode choke

CHOI HWANGSOO1 citations43